diff --git a/CHANGELOG.md b/CHANGELOG.md
index 527cd080..f311f6a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## 2023
 
+- [6.5.1](#651-2023-06-27) (Jun 2023)
 - [6.5.0](#650-2023-06-16) (Jun 2023)
 - [6.4.2](#642-2023-05-02) (May 2023)
 - [6.4.1](#641-2023-02-20) (Feb 2023)
@@ -48,6 +49,25 @@
 
 # Release notes
 
+## [6.5.1](https://github.com/socketio/engine.io/compare/6.5.0...6.5.1) (2023-06-27)
+
+
+### Bug Fixes
+
+* prevent crash when accessing TextDecoder ([#684](https://github.com/socketio/engine.io/issues/684)) ([6dd2bc4](https://github.com/socketio/engine.io/commit/6dd2bc4f68edd7575c3844ae8ceadde649be95b2))
+
+
+### Credits
+
+Huge thanks to [@iowaguy](https://github.com/iowaguy) for helping!
+
+
+### Dependencies
+
+- [`ws@~8.11.0`](https://github.com/websockets/ws/releases/tag/8.11.0) (no change)
+
+
+
 ## [6.5.0](https://github.com/socketio/engine.io/compare/6.4.2...6.5.0) (2023-06-16)
 
 
diff --git a/package.json b/package.json
index 5eae7112..6a785330 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "engine.io",
-  "version": "6.5.0",
+  "version": "6.5.1",
   "description": "The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server",
   "type": "commonjs",
   "main": "./build/engine.io.js",